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Abundant Numbers

Abundant Numbers (Long)

Arabic to Roman

Arithmetic Numbers

Arrows

Ascending Primes

brainfuck

Catalan’s Constant

Christmas Trees

Collatz

Cubes

Day of Week

DFA Simulator

Diamonds

Divisors

Emirp Numbers

Evil Numbers

Farey Sequence

Fibonacci

Fizz Buzz

Foo Fizz Buzz Bar

Forsyth–Edwards Notation

Gijswijt’s Sequence

Happy Numbers

Happy Numbers (Long)

Intersection

ISBN

Jacobi Symbol

Kolakoski Sequence

Leap Years

Leyland Numbers

ln 2

Lucky Numbers

Niven Numbers

Number Spiral

Odious Numbers

Pangram Grep

Quine

Recamán

Reverse Polish Notation

Rijndael S-box

Rock-paper-scissors-Spock-lizard

Roman to Arabic

Time Distance

Tongue-twisters

Vampire Numbers

Van Eck Sequence

γ

λ

π

τ

φ

√2

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